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A customer wrote that C2S Energy spent 4 days at their house weatherizing for the cold and the hot weather, and that its crew members were very professional, very clean and very thorough. A customer wrote that David and his team put insulation in their attic and basement, arriving on Monday and finishing by Tuesday afternoon. A customer wrote that Richie was knowledgeable, responsive and available throughout the HEAT Loan process. A customer wrote that Julio, the installation team manager, kept them informed and updated throughout the installation process. In 2025 a customer wrote that a team from C2S installed heat pumps to replace oil heat. In 2025 a customer wrote that mini splits were installed upstairs and duct work was installed in the basement to feed first-floor vents. In 2025 a customer wrote that the heat pump conversion was paid for through the Turn Key, Mass Save program. In 2025 a customer wrote that C2S insulated the attic, walls, basement and doors and replaced ceiling tiles with drywall. In 2024 a customer thanked C2S for the job on their home insulation, mold remediation and heat pump/mini split project. In 2024 a customer wrote that C2S completely removed a 50 yr old central AC system from the attic before doing the mold remediation and reinsulating. C2S Energy holds a BBB A+ grade. MA HIC licence 194668, registered to C2S Energy LLC, is active on the state registry. C2S Energy reports 5 years in business, per its website.
C2S energy spent 4 days at my house weatherizing for the cold and the hot weather. They did an awesome job their crew members were very professional, very clean, and very thorough. They even took care of an incident that happened while the process was being done. Employee Pedro was amazing and very professional. All in all I'm very happy with the procedure and I recommend them highly for anybody looking to get weatherization done.👍🏽👍🏽👊🏽👊🏽
Richie was absolutely amazing throughout the entire HEAT Loan process. He was knowledgeable, responsive, and available anytime I had questions or needed guidance. He made what could have been a stressful process feel smooth and easy from start to finish. His professionalism, communication, and dedication to helping his customers truly stand out. Julio, the installation team manager, was also fantastic. He kept me informed and updated throughout the installation process and made sure everything stayed on track. The communication and customer service from both Richie and Julio were exceptional. I highly recommend this team to anyone looking for a smooth and stress-free experience. Five stars all the way!
I had insulation put in my attic and basement. David and his team came on Monday by Tuesday after noon they were all done. Very prompt at 8 am They were very polite and very professional went straight to work. After done the clean up was amazing. I was shocked cleaned up like they weren't even there One word PERFECTIONAL !! ANYONE needing anything give them a call to ANNA at the office who also was very helpful. Ask for David and hi s team ? They were phenomenal !! My name is shirley
I had a team from C2S back recently to install heat pumps to replace oil heat. The first floor had vents cut into flooring and duct work installed in basement to feed vents. Mini splits were installed upstairs. The team, Hector, Josue, Carlos, and Wilson were professional, courteous, hardworking and dedicated. Hector communicated well with me about decisions that were made and used good judgment throughout. I'm very happy with the conversion and the central ac feels luxurious. Heating the home is fast and efficient as well. All work was paid for through the Turn Key, Mass Save program. Very professional, quick and thorough. They did a lot in a short time including insulating attic, walls, basement, doors, and replacing ceiling tiles with drywall. To insulate walls they need to cut shingles and make small holes in exterior of house, and like magic, within minutes they had put all shingles back in place and looked the same as before. Shout out to David and Carlos and the whole team for a job well done!
I can’t thank C2S enough for the top notch job they did on my home insulation, mold remediation, and heat pump/mini split project. As with any project of this magnitude you can run into issues but the guys were confident they could solve whatever obstacles presented to them and they did. The “Orange Crew” and job foreman Nelson were a team that worked together wonderfully and it was a pleasure to have them work on my home. Everything turned out even better than I expected. Rest assured you are in good hands with C2S doing your home insulation and heat pump installation and I love the mini splits especially after using old window AC units for a couple decades. I’ve added before and after pics of the dirt floor crawl spaces, and my attic which had a 50 yr old central AC system that they completely removed before doing the mold remediation and reinsulating! Amazing job all around guys!
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2 changes recorded — last scanned Sep 26, 2026.
Attic insulated and baffles replaced4.4
Three-family roof replaced in a single day2.4